| （単位：百万円） | 売上原価 | 前年比（％） |
|---|---|---|
| 4Q26 | 22,910 | +9.2% |
| 3Q26 | 19,645 | +19.9% |
| 2Q26 | 14,000 | -9.5% |
| 1Q26 | 14,694 | -0.5% |
| 4Q25 | 20,975 | -15.5% |
| 3Q25 | 16,378 | +7.4% |
| 2Q25 | 15,466 | +1.7% |
| 1Q25 | 14,762 | -2.0% |
| 4Q24 | 24,815 | +6.3% |
| 3Q24 | 15,254 | -8.9% |
| 2Q24 | 15,208 | -11.7% |
| 1Q24 | 15,058 | +5.9% |
| 4Q23 | 23,339 | -0.9% |
| 3Q23 | 16,744 | -32.7% |
| 2Q23 | 17,231 | -15.5% |
| 1Q23 | 14,220 | +5.8% |
| 4Q22 | 23,559 | -14.4% |
| 3Q22 | 24,878 | +58.4% |
| 2Q22 | 20,389 | +10.2% |
| 1Q22 | 13,443 | -15.2% |
| 4Q21 | 27,517 | +5.1% |
| 3Q21 | 15,706 | -10.7% |
| 2Q21 | 18,498 | +5.5% |
| 1Q21 | 15,845 | -0.2% |
| 4Q20 | 26,189 | +7.5% |
| 3Q20 | 17,594 | -6.0% |
| 2Q20 | 17,526 | +10.5% |
| 1Q20 | 15,872 | -1.4% |
| 4Q19 | 24,359 | - |
| 3Q19 | 18,713 | - |
| 2Q19 | 15,854 | - |
| 1Q19 | 16,092 | - |